Finding the Fourth Proportional to 70,955.80, 106,423.42 and 22,917.99
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Solution
The fourth proportional to 70,955.80, 106,423.42 and 22,917.99 is: 34,373.66
Step by Step Solution
- Step 1: Write the proportion equation
70,955.80 : 106,423.42 = 22,917.99 : x - Step 2: Convert to fraction form
70,955.80/106,423.42 = 22,917.99/x - Step 3: Cross multiply
70,955.80x = 106,423.42 × 22,917.99 - Step 4: Simplify right side
70,955.80x = 2,439,010,661.46 - Step 5: Solve for x
x = 2,439,010,661.46/70,955.80 - Step 6: Final answer
x = 34,373.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.